network and system security ppt

... Wireless Network Security 275 1. Cellular Networks 276 Cellular Telephone Networks 277 802.11 Wireless LANs 278 2. Wireless Ad Hoc Networks 279 Wireless Sensor Networks 279 Mesh Networks 280 3. Security ... completely cripple your network. Do your research and invest in good, multipurpose network security systems. Select systems that are easy to install and implement, are adaptable and quickly configurable, ... Technologies and Verification Systems (Elsevier 2007); Practical Internet Security (Springer 2006); Optical Networking Best Practices Handbook (Wiley-Interscience 2006); Guide to Wireless Network Security...

Ngày tải lên: 14/03/2014, 20:20

... 1 Advanced Network and System Administration Accounts and Namespaces 13 LDIF  LDAP Interchange Format.  Standard text format for storing LDAP configuration data and directory contents.  LDIF ... Operations  Client Session Operations  Bind, unbind, and abandon  Query and Retrieval Operations  Search and compare  Modification Operations  Add, modify, modifyRDN, and delete 4 Directories vs. Databases  Directories ... Schemas Schemas specify allowed objectClasses and attributes. 5 System Administration Directories  Types of directory data  Accounts  Mail aliases and lists (address book)  Cryptographic keys  IP...

Ngày tải lên: 20/01/2014, 06:20

... McAfee Network Security Platform: Bridging Network and System Security Enterprise-wide network security platform McAfee Network Security Platform delivers unprecedented knowledge-driven security. ... leverage your security investment. The integration of network (Network Security Platform) and system (ePO) security infrastructure results in the only System- Aware IPS, delivering efficient security ... continuous pre and post admission control for managed, un-managed and un-manageable hosts. Knowledge-Driven Network Security Smart network and system security integration delivers real-time security...

Ngày tải lên: 14/02/2014, 16:20

... etc.) (which means a physical disk) and the NFS network filesystem. If we mount a 4.2 filesystem it means that it is, by definition, a local disk on our system and is described by some logical device ... regrouping and labelling procedureiscalledformatting in PC culture and is called making a filesystem 4.5. INSTALLING A UNIX DISK 123 There are two main types of filesystem – a disk filesystem (called ... particular filesystem is mounted on a directory or mountpoint.The command mount mounts filesystems defined in the filesystem table file. This is a file which holds data for mount to read. The filesystem table...

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 14/08/2014, 12:20

Ngày tải lên: 14/08/2014, 12:20

... Understanding cryptography ã Understanding PKI ã Cryptographic standards and protocols ã Key management and certificate lifecycles Section 5. Operational / Organizational Security ã Physical security ... compliance with the standards in this act is to verify certification of their network and information security staff. Financial industry and web-based attacks: The financial industry and its customers ... Auditing and logging Section 2. Communication Security ã Remote access technologies ã Email security concepts ã Internet security concepts ã Directory security concepts ã F ile transfer concepts and...

Ngày tải lên: 21/12/2013, 06:18

... central and peripheral nervous systems. Among other players in this neuro-osteogenic network, the neuropeptide Y (NPY) system has attracted particular attention. At the central nervous system ... that vary in their binding profiles and in their distribution in the central nervous system and periphery. Y1, Y2 and Y5 are the best characterized NPY receptors, and the majority of NPY functions ... innervation system, whereas the other nerve fiber populations are adrenergic and cholinergic in nature, and originate from paravertebral sympathetic ganglia [16]. Experimental nerve deletion and immunohisto- chemistry...

Ngày tải lên: 18/02/2014, 04:20

... in system administration? 4. Describe why ethics and human values are important. 5. Is system administration a science? Why/why not? 6. State the top-most principles that guide network and system ... chapter on security. 2.3.3 Securable operating systems To distinguish them from insecure operating systems we shall refer to operating systems like Unix and NT as securable operating systems. This ... consulting services in security and automation of system administrative tasks. Not only is system administration a fascinating and varied line of work, it can also be lucrative. 1.6 The challenges of system...

Ngày tải lên: 03/06/2014, 01:29

... existing network, serviceable or not; thus the first step is to acquaint ourselves with the system at hand. The aim of this chapter is to learn how to navigate network systems using standard tools, and ... are two types of Windows system with separate software licenses: workstations and servers.Windowscanworkasastand-alonesystemorasaworkstation, integrated into a system of network services. Windows ... operating system, per se. It is a network service for PCs which adds file storage, printing and other network services on top of the basic operating system: Windows, DOS, MacIntosh or GNU/Linux. The network...

Ngày tải lên: 13/08/2014, 22:21

... of network and system administration Understanding human–computer systems requires an ability to see relationships between seemingly distinct parts of a system. Many failures and security viola- tions ... quickly extended and became a standard for network monitoring. SNMP was designed to be small and simple enough to be able to run on even minor pieces of network technology like bridges and printers. ... time and disk space. Is poster advertising harassment on the streets or a freedom of speech? 218 CHAPTER 6. MODELS OF NETWORK AND SYSTEM ADMINISTRATION 6.4.4 Jini and UPnP: management-free networks Jini...

Ngày tải lên: 13/08/2014, 22:21

... digested, understood and, not least, obeyed by users and system staff alike. ã Determine the system policy. This is the prerequisite for all system mainte- nance. Know what is right and wrong and know how ... the other hand, the order in which cfagent evaluates AND and OR operations does matter, and the rule is that AND takes priority over OR, so that . binds classes together tightly and all AND operations ... killed with the kill command on Unix-like systems, or with the Windows Resource Kit’s kill command, or the Task Manager. 8.2. NETWORKS AND SMALL WORLDS 283 Figure 8.2: Network tolerance to node...

Ngày tải lên: 13/08/2014, 22:21

... a system. Problems 1. Find out about process priorities. How are process priorities changed on the computer systems on your network? Formulate a policy for handling processes which load the system ... sharing of system resources. This requires tuning the system kernel. The most configurable piece of software on the system is the kernel. All Unix-like systems kernel param- eters can be altered and ... another partition, then back again and so on. This nightmare brings the system to a virtual standstill as it fights both over free RAM and disk head placement. The system spends more time juggling...

Ngày tải lên: 13/08/2014, 22:21

... book: security management cannot be separated from network and system administration because security requires a fully systemic approach. However, it is important to identify some principles of security ... Principles of Network and System Administration, J. Wiley & Sons, 2004. 10.4. ALTERNATIVE NETWORK TRANSPORT TECHNOLOGIES 399 by N bits, or wavelengths of the bit signal, and the right-hand side ... structure of the network and the immediate neighbors. To take into account subnetting and CIDR masks, we must interpret the equals ‘==’ sign to include a logical AND between the network and its mask. maintain...

Ngày tải lên: 13/08/2014, 22:21

... dest=host2 serv=all IP action=Permit and IPSec Policy Rule 2: src =network1 dest =network2 serv=all IP action=Permit where host1 is assumed to be on network1 and host2 is on network2 . Policy Rule 1 is a ... lamb? 14. What are the pros and cons of system homogeneity in security? 15. Explain how laptops and mobile devices can compromise security. 16. What are the problems with the security of the Internet ... PRINCIPLES OF SECURITY 2. What is meant by security is a property of systems’? 3. What are the four main themes in computer security? 4. What role does trust play in setting the ground rules for security? 5....

Ngày tải lên: 13/08/2014, 22:21

... ANALYTICAL SYSTEM ADMINISTRATION systems fall into two categories, depending on how we choose our problem to analyze. These are called open systems and closed systems. ã Open system: This is a subsystem ... opposition and cooperation between users and the system. The aims of the game are several: to win resources, to produce work, to gain control of the system, and so on. A proper understanding of ... difference between an open system and a closed system is that an open system is not always in a steady state. New input changes the system. The internal variables in the open system are altered by...

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 14/08/2014, 12:20

Ngày tải lên: 14/08/2014, 12:20